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Category 'Protection' - Technical Articles

“Protection” category refers to technical articles dedicated to relay protection of various power substation and transmission & distribution equipment, such as low- medium- and high-voltage switchgear, transformers, capacitor banks, cables, transmission lines, electric motors and generators, and so on. Great attention is paid on circuit breaker schematics, such as tripping, closing and blocking coil arrangements, etc.

Power Substation

Installation Precautions for Substation Secondary Equipment

The design of the high-voltage substation must include consideration for the safe operation and maintenance of the secondary equipment. The substation secondary systems are those systems which provide the functionality necessary to ensure safety of personnel engaged in operation of…...

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Dec 29, 2025 | By

Installation Precautions for Substation Secondary Equipment
Energy and Power

A Practical Guide to the Operation of Ring Main Units

Ring Main Units are compact modules that are gas-insulated and sealed, comprising main switching devices and ancillary components to ensure continuous secondary power distribution. The precise arrangement and configuration of components always depend on the particular application and loading conditions…. Read more

Dec 08, 2025 | By

A Practical Guide to Operation of Ring Main Units
Power Substation

Five Construction Issues That Do Not Follow the Engineering Design (And Why They Matter)

High-voltage substations—especially modern AIS/GIS installations up to 400 kV—are engineered with extreme precision. Every cable, conductor, grounding conductor, insulator, and steel structure is designed according to exact assumptions: soil models, thermal limits, mechanical forces, environmental conditions, lightning protection angles, and…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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Dec 01, 2025 | By

Five Construction Issues That Do Not Follow the Engineering Design (And Why They Matter)
Power Substation

Five phenomena that could collapse the entire power system

Extreme contingencies typically indicate events that lead to the unavailability of numerous power system components or a cascading failure, such as the loss of transmission lines along a common right-of-way or faults with delayed clearance (e.g., a jammed breaker or protection…...

Membership Upgrade Required

This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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Nov 17, 2025 | By

Five phenomena that could collapse the entire power system
Energy and Power

Preventing new grid connections from creating unacceptable disturbances for other users

To be honest, power grids are not perfect; on the contrary, most of them are far, far away from perfect, or even good. Therefore, what makes a power grid perfect or good? Well, in a power industry, maintaining voltage quality…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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Oct 20, 2025 | By

Preventing new grid connections from creating unacceptable disturbances for other users
Energy and Power

Hidden Problems in Commissioning of Power Plants (You’re not Counting On)

Commissioning of a power plant or an industrial plant is not that simple, on contrary, it’s full of hidden traps and logical challenges. In power plants, the generating units are substantial operational blocks, tested individually alongside the water or fuel…...

Membership Upgrade Required

This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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Oct 06, 2025 | By

Solving Problems in Commissioning of Industrial and Power Plants
Energy and Power

Top Issues that Seriously Worry Substation Designers

Technology development has gone mad. Everything is automated, what’s needed and what’s not needed, and that’s definitely not good. Substation equipment, especially secondary systems, becomes obsolete and hard to maintain in a very short time. The main question is how… Read more

Sep 29, 2025 | By

Top Issues that Seriously Worry Substation Designers
Power Substation

Cutting-edge technology utilized in modern substations (that every engineer SHOULD learn)

The design of substations is to deliver a cost-effective solution that, to the extent feasible, exhibits high availability, reliability, and operational flexibility. This rule applies to both newly constructed and 40-year-old substations from a utility standpoint. Although this is feasible,…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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Sep 22, 2025 | By

A must-have knowledge for engineers working on power substation designs
Power Substation

Substation Safety and Switching Rules You MUST Follow

This technical article describes the safety rules the switching operator must comply with when undertaking switching, and providing access for others required to work on the electrical network. We’ll describe the critical matters relating to safe switching operations, it is…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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Aug 25, 2025 | By

Substation Safety and Switching Rules You MUST Follow


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